1031213132 has 24 divisors (see below), whose sum is σ = 1911762720. Its totient is φ = 485026560.

The previous prime is 1031213129. The next prime is 1031213153. The reversal of 1031213132 is 2313121301.

1031213132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1031213132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239882 + ... + 244142.

It is an arithmetic number, because the mean of its divisors is an integer number (79656780).

Almost surely, 2^1031213132 is an apocalyptic number.

It is an amenable number.

1031213132 is a deficient number, since it is larger than the sum of its proper divisors (880549588).

1031213132 is a wasteful number, since it uses less digits than its factorization.

1031213132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7841 (or 7839 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1031213132 is about 32112.5074075507. The cubic root of 1031213132 is about 1010.2979652192.

Adding to 1031213132 its reverse (2313121301), we get a palindrome (3344334433).

The spelling of 1031213132 in words is "one billion, thirty-one million, two hundred thirteen thousand, one hundred thirty-two".